package com.maozai.maozaimall.order.config;

import com.maozai.maozaimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyMQConfig {

    //@RabbitListener(queues = "order.release.order.queue")
    public void listener(OrderEntity orderEntity, Channel channel, Message message) throws IOException {
        System.out.println("收到过期的订单信息，准备关闭订单" + orderEntity.getOrderSn() + "时间是：" + orderEntity.getModifyTime());
        System.out.println("现在的时间是：" + new Date());

        channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
    }

    /**
     * 容器中的 Binding Queue Exchange 都会自动创建（RabbitMQ没有的情况）
     * RabbitMQ 只要有。@Bean 属性发生变化也不会发生变化
     * @return
     */

    @Bean
    public Queue orderDelayQueue() {
        //String name, boolean durable, boolean exclusive, boolean autoDelete, @Nullable Map<String, Object> arguments
        Map<String, Object> arguments = new HashMap<>();
        /**
         * 传入这3个参数是的构造的队列是延时队列
         */
        arguments.put("x-dead-letter-exchange", "order-event-exchange");
        arguments.put("x-dead-letter-routing-key", "order.release.order");
        arguments.put("x-message-ttl", 60000);
        Queue queue = new Queue("order.delay.queue", true, false, false, arguments);



        return queue;
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;
    }

    @Bean
    public Exchange orderEventExchange() {
        //String name, boolean durable, boolean autoDelete, Map<String, Object> arguments

        TopicExchange topicExchange = new TopicExchange("order-event-exchange", true, false);
        return topicExchange;
    }

    @Bean
    public Binding orderCreateOrderBinding() {
        //String destination, Binding.DestinationType destinationType, String exchange, String routingKey, @Nullable Map<String, Object> arguments

        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }

    @Bean
    public Binding orderReleaseOrderBinding() {

        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }

    /**
     * 订单释放
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinding() {

        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }

    @Bean
    public Queue orderSeckillOrderQueue() {
        return new Queue("order.seckill.order.queue", true, false, false);
    }

    @Bean
    public Binding orderSeckillOrderQueueBingding() {
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }

}
